Hello Guys dont know if this is the right forum for this questio, but i do really need your help on them integrate: a) by substitution : integral(4 x/sqrt(8 x^2-1), x, 1, 2)

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Originally Posted by taichi2910 Hello Guys dont know if this is the right forum for this questio, but i do really need your help on them integrate: a) by substitution : integral(4 x/sqrt(8 x^2-1), x, 1, 2) let You should be able to finish from here.